diff options
| author | uau <uau@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-11-01 06:52:01 +0000 |
|---|---|---|
| committer | uau <uau@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2007-11-01 06:52:01 +0000 |
| commit | 7deec05ea0d14dd950715f232b9e7cb7183dd333 (patch) | |
| tree | a669500520b58be3ba988f7a3e7e0b7d802e0313 /libaf/af_hrtf.c | |
| parent | c6824f577ee5da01a7bb0b787d0253da925c2c0f (diff) | |
| download | mpv-7deec05ea0d14dd950715f232b9e7cb7183dd333.tar.bz2 mpv-7deec05ea0d14dd950715f232b9e7cb7183dd333.tar.xz | |
libaf: change filter input/output ratio calculations
Change the audio filters to use a double instead of rationals for the
ratio of output to input size. The rationals could overflow when
calculating the overall ratio of a filter chain and gave no real
advantage compared to doubles.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24916 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libaf/af_hrtf.c')
| -rw-r--r-- | libaf/af_hrtf.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/libaf/af_hrtf.c b/libaf/af_hrtf.c index 3e973f62f2..e8d0b9cd14 100644 --- a/libaf/af_hrtf.c +++ b/libaf/af_hrtf.c @@ -293,8 +293,7 @@ static int control(struct af_instance_s *af, int cmd, void* arg) af->data->format = AF_FORMAT_S16_NE; af->data->bps = 2; test_output_res = af_test_output(af, (af_data_t*)arg); - af->mul.n = 2; - af->mul.d = af->data->nch; + af->mul = 2.0 / af->data->nch; // after testing input set the real output format af->data->nch = 2; s->print_flag = 1; @@ -560,7 +559,7 @@ static af_data_t* play(struct af_instance_s *af, af_data_t *data) /* Set output data */ data->audio = af->data->audio; - data->len = (data->len * af->mul.n) / af->mul.d; + data->len = data->len / data->nch * 2; data->nch = 2; return data; @@ -597,8 +596,7 @@ static int af_open(af_instance_t* af) af->control = control; af->uninit = uninit; af->play = play; - af->mul.n = 1; - af->mul.d = 1; + af->mul = 1; af->data = calloc(1, sizeof(af_data_t)); af->setup = calloc(1, sizeof(af_hrtf_t)); if((af->data == NULL) || (af->setup == NULL)) |